ClassID:

173852

G02B6/02323 - CPC Classification

Classification description:

Light guides; Optical fibres with cladding; Microstructured optical fibre; Plurality of longitudinal structures extending along optical fibre axis, e.g. holes characterised by core or core-cladding interface features Core having lower refractive index than cladding, e.g. photonic band gap guiding

Sub-classes:
Recent Application in this class:
#1
20250277932
2025-09-04

OPTICAL FIBER ELEMENT WIRE AND MANUFACTURING METHOD OF OPTICAL FIBER RIBBON

#2
20250271358
2025-08-28

SYSTEM AND PHOTONIC CRYSTAL FIBER-BASED SURFACE PLASMON RESONANCE SENSOR TO DETECT REFRACTIVE INDEX OF ANALYTE

#3
20250076568
2025-03-06

PHOTONIC CRYSTAL FIBER

#4
20220113469
2022-04-14

OPTICAL REJECTION PHOTONIC STRUCTURES

#5
20220057569
2022-02-24

Anti-torsion solid-core polarization-maintaining photonic crystal fiber based on anisotropy of stress distribution

#6
20210405287
2021-12-30

Polarization-maintaining photonic crystal fiber

#7
20200225407
2020-07-16

Optical fiber and optical transmission system

#8
20190339513
2019-11-07

Photonic crystal fiber and high-power light transmission system

#9
20190170933
2019-06-06

Preform for producing vortex fiber

#10
20190025511
2019-01-24

Optical rejection photonic structures using two spatial filters

#11
20180341104
2018-11-29

Optical fiber design method

#12
20180321439
2018-11-08

Photonic crystal fiber and high-power light transmission system

#13
20180180801
2018-06-28

Method of manufacturing an active optical fibre and the active optical fibre

#14
20170235042
2017-08-17

Multicore fiber

#15
20170233283
2017-08-17

System and method for producing vortex fiber

#16
20170108641
2017-04-20

Hollow-core photonic crystal fiber gas cell and method for preparing the same

#17
20170015585
2017-01-19

Method for the fabrication of optical waveguide devices in photonic crystal fibers and in waveguides with hollow structures

#18
20160377959
2016-12-29

Stable, high efficiency, wavelength tunable fiber optic parametric oscillator

#19
20160006205
2016-01-07

Photonic bandgap fiber and fiber laser device using same

#20
20140037261
2014-02-06

Optical fiber for chemical sensor

#21
20120305806
2012-12-06

Light source apparatus and processing method

#22
20110298397
2011-12-08

Special purpose modes in photonic band gap fibers

#23
20110141757
2011-06-16

All solid photonic bandgap fiber

#24
20110038587
2011-02-17

MULTI-CLAD OPTICAL FIBER

#25
20090324186
2009-12-31

Photonic band-gap fiber

#26
20090317041
2009-12-24

Photonic bandgap fiber

#27
20090252452
2009-10-08

Optical power delivery system

#28
20090220202
2009-09-03

Photonic bandgap fiber

#29
20090220186
2009-09-03

Hollow-core photonic bandgap fiber polarizer

#30
20090218706
2009-09-03

METHOD OF MANUFACTURING PHOTONIC BANDGAP FIBRE

#31
20090214154
2009-08-27

Fiber optic distributed sensor apparatus

#32
20090192769
2009-07-30

Method and apparatus for modeling the modal properties of optical waveguides

#33
20090168149
2009-07-02

Active optical fibers with wavelength-selective filtering mechanism, method of production and their use

#34
20080199135
2008-08-21

Archimedean-lattice microstructured optical fiber

#35
20060133763
2006-06-22

Method and apparatus for modeling the modal properties of optical waveguides

#36
20050041944
2005-02-24

Graded index fiber array and method of manufacture

#37
17558641
2022-11-22

Circular photonic crystal fibers

#38
17160710
2021-11-30

Bragg gratings with silicide-coated segments